1943:
Wingard (M.A.) Ltd
Wingard Ltd. Edgware Rd, Hendon. Precision Engineers 1943 Advert
Rec. Num. 1 of 2
Source: Aeroplane October 15th 1943
1944:
Wingard (M.A.) Ltd
Wingard. Precision Engineers. Eugene Works, Hendon
Rec. Num. 2 of 2
Source: Aircraft Production March 1944
